The size of each element in the var_name_pairs member. Always set to 1.

int32 count;

The total number of bytes in var_name_pairs.

char var_name_pairs[];

A list of key–value tuples, where key is the name
of a variable, and value is its long variable name.
The key field is at most 8 bytes long and must match the
name of a variable which appears in the variable record (see Variable Record).
The value field is at most 64 bytes long.
The key and value fields are separated by a ‘=’ byte.
Each tuple is separated by a byte whose value is 09. There is no
trailing separator following the last tuple.
The total length is count bytes.